/*
 * Copyright (C) 2014 Pedro Vicente Gómez Sánchez.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.pedrovgs.problem11;

import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * @author Pedro Vicente Gómez Sánchez.
 */
public class IntToStringTest {

  private IntToString intToString;

  @Before public void setUp() {
    intToString = new IntToString();
  }

  @Test public void shouldTransformZero() {
    assertEquals("0", intToString.transform(0));
  }

  @Test public void shouldTransformPositiveIntegersWithJustOneDigit() {
    assertEquals("7", intToString.transform(7));
  }

  @Test public void shouldTransformNegativeIntegersWithJustOneDigit() {
    assertEquals("-4", intToString.transform(-4));
  }

  @Test public void shouldTransformPositiveIntegersWithMoreThanOneDigits() {
    assertEquals("24", intToString.transform(24));
  }

  @Test public void shouldTransformNegativeIntegersWithMoreThanOneDigits() {
    assertEquals("-15", intToString.transform(-15));
  }
}
